[FFmpeg-trac] #6480(undetermined:new): Overlay fails with ProRes input

FFmpeg trac at avcodec.org
Thu Jun 22 15:08:39 EEST 2017


#6480: Overlay fails with ProRes input
-------------------------------------+-------------------------------------
             Reporter:  Gyan         |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I have a 6K Prores stream which reportedly changes pixel format mid-
 stream, including between the first and second frame. When a watermark
 image is overlaid on it using the command below, the watermark disappears
 after the first frame.

 {{{
 ffmpeg -i prores-2s.mov -i watermark-large.png -lavfi overlay,scale=hd1080
 no-overlay.mp4 -v 40 2> no-overlay.log
 }}}

 {{{
 ffmpeg version N-86504-gc557718bea Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 6.3.0 (Rev3, Built by MSYS2 project)
   configuration:  --enable-avisynth --enable-libmp3lame --enable-libopus
 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265
 --enable-cuda --enable-cuvid --enable-schannel --enable-decklink --enable-
 fontconfig --enable-frei0r --enable-libass --enable-libbluray --enable-
 libbs2b --enable-libcaca --enable-libfreetype --enable-libfribidi
 --enable-libgme --enable-libgsm --enable-libilbc --enable-libmfx --enable-
 libmodplug --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-
 libopenjpeg --enable-librtmp --enable-libsoxr --enable-libspeex --enable-
 libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc
 --enable-libwavpack --enable-libwebp --enable-libxavs --enable-libxvid
 --enable-libzimg --enable-openssl --enable-libsnappy --enable-gpl
 --enable-opencl --enable-opengl --enable-libcdio --enable-libfdk-aac
 --enable-libkvazaar --enable-librubberband --enable-libssh --enable-
 libtesseract --enable-libzvbi --enable-chromaprint --enable-libopenh264
 --enable-libopenmpt --enable-libzmq --enable-libmysofa --extra-
 cflags=-fopenmp --extra-libs=-lgomp --extra-cflags=-DLIBTWOLAME_STATIC
 --extra-libs=-lstdc++ --extra-cflags=-DLIBSSH_STATIC --extra-ldflags='-Wl
 ,--allow-multiple-definition' --extra-cflags=-DCACA_STATIC --extra-
 cflags=-DMODPLUG_STATIC --extra-cflags=-DCHROMAPRINT_NODLL --extra-
 libs=-lstdc++ --extra-cflags=-DZMQ_STATIC --extra-libs=-lpng --disable-
 w32threads --extra-cflags=-DPTW32_STATIC_LIB --extra-libs=-lpthread
 --extra-libs=-lwsock32 --extra-cflags=-DKVZ_STATIC_LIB --enable-version3
 --enable-nonfree --enable-filter=frei0r --disable-debug
   libavutil      55. 66.100 / 55. 66.100
   libavcodec     57. 99.100 / 57. 99.100
   libavformat    57. 73.100 / 57. 73.100
   libavdevice    57.  7.100 / 57.  7.100
   libavfilter     6. 92.100 /  6. 92.100
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
   libpostproc    54.  6.100 / 54.  6.100
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'prores-2s.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     encoder         : Lavf57.72.101
   Duration: 00:00:02.00, start: 0.000000, bitrate: 2537312 kb/s
     Stream #0:0(eng): Video: prores, 1 reference frame (ap4h /
 0x68347061), yuva444p10le(progressive), 6144x3456, 2537305 kb/s, SAR 1:1
 DAR 16:9, 24 fps, 24 tbr, 19200 tbn, 19200 tbc (default)
     Metadata:
       handler_name    : DataHandler
       encoder         : Apple ProRes 4444
       timecode        : 00:00:00:00
     Stream #0:1(eng): Data: none (tmcd / 0x64636D74), 0 kb/s
     Metadata:
       handler_name    : DataHandler
       timecode        : 00:00:00:00
 Input #1, png_pipe, from 'watermark-large.png':
   Duration: N/A, bitrate: N/A
     Stream #1:0: Video: png, 1 reference frame, rgba(pc), 3840x2160 [SAR
 1:1 DAR 16:9], 25 tbr, 25 tbn, 25 tbc
 [Parsed_scale_1 @ 00000000028d7500] w:1920 h:1080 flags:'bilinear'
 interl:0
 Stream mapping:
   Stream #0:0 (prores) -> overlay:main
   Stream #1:0 (png) -> overlay:overlay
   scale -> Stream #0:0 (libx264)
 Press [q] to stop, [?] for help
 [Parsed_scale_1 @ 0000000002989b80] w:1920 h:1080 flags:'bilinear'
 interl:0
 [graph 0 input from stream 0:0 @ 00000000029896e0] w:6144 h:3456
 pixfmt:yuva444p10le tb:1/19200 fr:24/1 sar:1/1 sws_param:flags=2
 [graph 0 input from stream 1:0 @ 000000000298c120] w:3840 h:2160
 pixfmt:rgba tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
 [auto_scaler_0 @ 00000000029055e0] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002988a60] auto-inserting filter
 'auto_scaler_0' between the filter 'graph 0 input from stream 0:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_1 @ 0000000002907c20] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002988a60] auto-inserting filter
 'auto_scaler_1' between the filter 'graph 0 input from stream 1:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_0 @ 00000000029055e0] w:6144 h:3456 fmt:yuva444p10le sar:1/1
 -> w:6144 h:3456 fmt:yuva420p sar:1/1 flags:0x2
 [auto_scaler_1 @ 0000000002907c20] w:3840 h:2160 fmt:rgba sar:1/1 ->
 w:3840 h:2160 fmt:yuva420p sar:1/1 flags:0x2
 [Parsed_overlay_0 @ 0000000002988a60] main w:6144 h:3456 fmt:yuva420p
 overlay w:3840 h:2160 fmt:yuva420p eof_action:repeat
 [Parsed_overlay_0 @ 0000000002988a60] [framesync @ 0000000002989a08]
 Selected 1/19200 time base
 [Parsed_overlay_0 @ 0000000002988a60] [framesync @ 0000000002989a08] Sync
 level 2
 [Parsed_scale_1 @ 0000000002989b80] w:6144 h:3456 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuv420p sar:1/1 flags:0x2
 [libx264 @ 00000000028e18a0] using SAR=1/1
 [libx264 @ 00000000028e18a0] using cpu capabilities: MMX2 SSE2Fast SSSE3
 SSE4.2 AVX FMA3 BMI2 AVX2
 [libx264 @ 00000000028e18a0] profile High, level 4.0
 [libx264 @ 00000000028e18a0] 264 - core 150 r2833 df79067 - H.264/MPEG-4
 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html -
 options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7
 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1
 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6
 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0
 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1
 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24
 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0
 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
 Output #0, mp4, to 'no-overlay.mp4':
   Metadata:
     major_brand     : qt
     minor_version   : 512
     compatible_brands: qt
     encoder         : Lavf57.73.100
     Stream #0:0: Video: h264 (libx264), 1 reference frame ([33][0][0][0] /
 0x0021), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 24 fps, 12288
 tbn, 24 tbc (default)
     Metadata:
       encoder         : Lavc57.99.100 libx264
     Side data:
       cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
 [Parsed_scale_1 @ 0000000002907dc0] w:1920 h:1080 flags:'bilinear'
 interl:0
 [graph 0 input from stream 0:0 @ 0000000002907c20] w:6144 h:3456
 pixfmt:yuv422p10le tb:1/19200 fr:24/1 sar:1/1 sws_param:flags=2
 [graph 0 input from stream 1:0 @ 0000000002907f60] w:3840 h:2160
 pixfmt:rgba tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 flags:'bicubic' interl:0
 [auto_scaler_0 @ 00000000029086a0] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002907ce0] auto-inserting filter
 'auto_scaler_0' between the filter 'graph 0 input from stream 0:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_1 @ 0000000002908840] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002907ce0] auto-inserting filter
 'auto_scaler_1' between the filter 'graph 0 input from stream 1:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_0 @ 00000000029086a0] w:6144 h:3456 fmt:yuv422p10le sar:1/1
 -> w:6144 h:3456 fmt:yuva420p sar:1/1 flags:0x2
 [auto_scaler_1 @ 0000000002908840] w:3840 h:2160 fmt:rgba sar:1/1 ->
 w:3840 h:2160 fmt:yuva420p sar:1/1 flags:0x2
 [Parsed_overlay_0 @ 0000000002907ce0] main w:6144 h:3456 fmt:yuva420p
 overlay w:3840 h:2160 fmt:yuva420p eof_action:repeat
 [Parsed_overlay_0 @ 0000000002907ce0] [framesync @ 0000000019ddfd68]
 Selected 1/19200 time base
 [Parsed_overlay_0 @ 0000000002907ce0] [framesync @ 0000000019ddfd68] Sync
 level 2
 [Parsed_scale_1 @ 0000000002907dc0] w:6144 h:3456 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuva420p sar:1/1 flags:0x2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuv420p sar:1/1 flags:0x4
 frame=    1 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 [Parsed_scale_1 @ 0000000002908780] w:1920 h:1080 flags:'bilinear'
 interl:0
 [graph 0 input from stream 0:0 @ 0000000002907c20] w:6144 h:3456
 pixfmt:yuva444p10le tb:1/19200 fr:24/1 sar:1/1 sws_param:flags=2
 [graph 0 input from stream 1:0 @ 0000000002907f60] w:3840 h:2160
 pixfmt:rgba tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 flags:'bicubic' interl:0
 [auto_scaler_0 @ 00000000029086a0] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002907dc0] auto-inserting filter
 'auto_scaler_0' between the filter 'graph 0 input from stream 0:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_1 @ 0000000002908840] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002907dc0] auto-inserting filter
 'auto_scaler_1' between the filter 'graph 0 input from stream 1:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_0 @ 00000000029086a0] w:6144 h:3456 fmt:yuva444p10le sar:1/1
 -> w:6144 h:3456 fmt:yuva420p sar:1/1 flags:0x2
 [auto_scaler_1 @ 0000000002908840] w:3840 h:2160 fmt:rgba sar:1/1 ->
 w:3840 h:2160 fmt:yuva420p sar:1/1 flags:0x2
 [Parsed_overlay_0 @ 0000000002907dc0] main w:6144 h:3456 fmt:yuva420p
 overlay w:3840 h:2160 fmt:yuva420p eof_action:repeat
 [Parsed_overlay_0 @ 0000000002907dc0] [framesync @ 00000000029f0d48]
 Selected 1/19200 time base
 [Parsed_overlay_0 @ 0000000002907dc0] [framesync @ 00000000029f0d48] Sync
 level 2
 [Parsed_scale_1 @ 0000000002908780] w:6144 h:3456 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuva420p sar:1/1 flags:0x2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuv420p sar:1/1 flags:0x4
 frame=    5 fps=4.5 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=    8 fps=4.5 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   11 fps=4.6 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   14 fps=4.7 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   17 fps=4.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   20 fps=4.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   23 fps=4.8 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   26 fps=4.9 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   29 fps=5.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   32 fps=5.1 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 [Parsed_scale_1 @ 0000000002908920] w:1920 h:1080 flags:'bilinear'
 interl:0
 [graph 0 input from stream 0:0 @ 0000000002907c20] w:6144 h:3456
 pixfmt:yuv422p10le tb:1/19200 fr:24/1 sar:1/1 sws_param:flags=2
 [graph 0 input from stream 1:0 @ 0000000002907f60] w:3840 h:2160
 pixfmt:rgba tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 flags:'bicubic' interl:0
 [auto_scaler_0 @ 00000000029086a0] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002908780] auto-inserting filter
 'auto_scaler_0' between the filter 'graph 0 input from stream 0:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_1 @ 0000000002908840] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002908780] auto-inserting filter
 'auto_scaler_1' between the filter 'graph 0 input from stream 1:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_0 @ 00000000029086a0] w:6144 h:3456 fmt:yuv422p10le sar:1/1
 -> w:6144 h:3456 fmt:yuva420p sar:1/1 flags:0x2
 [auto_scaler_1 @ 0000000002908840] w:3840 h:2160 fmt:rgba sar:1/1 ->
 w:3840 h:2160 fmt:yuva420p sar:1/1 flags:0x2
 [Parsed_overlay_0 @ 0000000002908780] main w:6144 h:3456 fmt:yuva420p
 overlay w:3840 h:2160 fmt:yuva420p eof_action:repeat
 [Parsed_overlay_0 @ 0000000002908780] [framesync @ 00000000029f0d48]
 Selected 1/19200 time base
 [Parsed_overlay_0 @ 0000000002908780] [framesync @ 00000000029f0d48] Sync
 level 2
 [Parsed_scale_1 @ 0000000002908920] w:6144 h:3456 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuva420p sar:1/1 flags:0x2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuv420p sar:1/1 flags:0x4
 [Parsed_scale_1 @ 0000000002907ce0] w:1920 h:1080 flags:'bilinear'
 interl:0
 [graph 0 input from stream 0:0 @ 0000000002907c20] w:6144 h:3456
 pixfmt:yuva444p10le tb:1/19200 fr:24/1 sar:1/1 sws_param:flags=2
 [graph 0 input from stream 1:0 @ 0000000002907f60] w:3840 h:2160
 pixfmt:rgba tb:1/25 fr:25/1 sar:1/1 sws_param:flags=2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 flags:'bicubic' interl:0
 [auto_scaler_0 @ 00000000029086a0] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002908920] auto-inserting filter
 'auto_scaler_0' between the filter 'graph 0 input from stream 0:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_1 @ 0000000002908840] w:iw h:ih flags:'bilinear' interl:0
 [Parsed_overlay_0 @ 0000000002908920] auto-inserting filter
 'auto_scaler_1' between the filter 'graph 0 input from stream 1:0' and the
 filter 'Parsed_overlay_0'
 [auto_scaler_0 @ 00000000029086a0] w:6144 h:3456 fmt:yuva444p10le sar:1/1
 -> w:6144 h:3456 fmt:yuva420p sar:1/1 flags:0x2
 [auto_scaler_1 @ 0000000002908840] w:3840 h:2160 fmt:rgba sar:1/1 ->
 w:3840 h:2160 fmt:yuva420p sar:1/1 flags:0x2
 [Parsed_overlay_0 @ 0000000002908920] main w:6144 h:3456 fmt:yuva420p
 overlay w:3840 h:2160 fmt:yuva420p eof_action:repeat
 [Parsed_overlay_0 @ 0000000002908920] [framesync @ 00000000029f0d48]
 Selected 1/19200 time base
 [Parsed_overlay_0 @ 0000000002908920] [framesync @ 00000000029f0d48] Sync
 level 2
 [Parsed_scale_1 @ 0000000002907ce0] w:6144 h:3456 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuva420p sar:1/1 flags:0x2
 [scaler_out_0_0 @ 0000000002908500] w:1920 h:1080 fmt:yuva420p sar:1/1 ->
 w:1920 h:1080 fmt:yuv420p sar:1/1 flags:0x4
 frame=   36 fps=5.1 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   39 fps=5.2 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   43 fps=5.2 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   46 fps=5.3 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 frame=   48 fps=5.2 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A
 speed=   0x
 [Parsed_overlay_0 @ 0000000002908920] [framesync @ 00000000029f0d48] Sync
 level 0
 No more output streams to write to, finishing.
 frame=   48 fps=4.2 q=-1.0 Lsize=    1837kB time=00:00:01.87
 bitrate=8025.0kbits/s speed=0.163x
 video:1835kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.076510%
 Input file #0 (prores-2s.mov):
   Input stream #0:0 (video): 48 packets read (634326480 bytes); 48 frames
 decoded;
   Input stream #0:1 (data): 1 packets read (4 bytes);
   Total: 49 packets (634326484 bytes) demuxed
 Input file #1 (watermark-large.png):
   Input stream #1:0 (video): 1 packets read (101607 bytes); 1 frames
 decoded;
   Total: 1 packets (101607 bytes) demuxed
 Output file #0 (no-overlay.mp4):
   Output stream #0:0 (video): 48 frames encoded; 48 packets muxed (1879500
 bytes);
   Total: 48 packets (1879500 bytes) muxed
 [libx264 @ 00000000028e18a0] frame I:1     Avg QP:23.33  size:100949
 [libx264 @ 00000000028e18a0] frame P:12    Avg QP:23.63  size: 55576
 [libx264 @ 00000000028e18a0] frame B:35    Avg QP:24.93  size: 31741
 [libx264 @ 00000000028e18a0] consecutive B-frames:  2.1%  0.0%  6.2% 91.7%
 [libx264 @ 00000000028e18a0] mb I  I16..4: 21.6% 63.6% 14.8%
 [libx264 @ 00000000028e18a0] mb P  I16..4:  1.8% 10.2%  1.4%  P16..4:
 42.1% 15.6%  8.8%  0.0%  0.0%    skip:20.1%
 [libx264 @ 00000000028e18a0] mb B  I16..4:  0.1%  5.3%  0.3%  B16..8:
 34.2% 10.0%  3.0%  direct: 2.9%  skip:44.1%  L0:40.0% L1:53.7% BI: 6.3%
 [libx264 @ 00000000028e18a0] 8x8 transform intra:80.6% inter:72.0%
 [libx264 @ 00000000028e18a0] coded y,uvDC,uvAC intra: 80.5% 36.8% 4.9%
 inter: 24.2% 13.2% 0.1%
 [libx264 @ 00000000028e18a0] i16 v,h,dc,p:  3% 54%  4% 38%
 [libx264 @ 00000000028e18a0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 33% 17%
 4%  5%  2% 13%  3% 13%
 [libx264 @ 00000000028e18a0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 13% 37% 11%
 4%  6%  4% 13%  3% 10%
 [libx264 @ 00000000028e18a0] i8c dc,h,v,p: 61% 28%  9%  3%
 [libx264 @ 00000000028e18a0] Weighted P-Frames: Y:8.3% UV:0.0%
 [libx264 @ 00000000028e18a0] ref P L0: 46.2% 25.9% 17.8% 10.0%
 [libx264 @ 00000000028e18a0] ref B L0: 79.7% 15.4%  4.8%
 [libx264 @ 00000000028e18a0] ref B L1: 91.8%  8.2%
 [libx264 @ 00000000028e18a0] kb/s:7515.24
 }}}

 ----

 If the image is looped, the overlay remains, mostly. It disappears for a
 frame in between each time a further stream context change  occurs. In any
 case, this is not a viable workaround because of the still present bug
 with '''shortest=1''' as reported in ticket [ticket:6292].

 If the video is transcoded via ffmpeg, the overlay works with the
 transcoded stream.

 {{{
 ffmpeg -i prores-2s.mov -c:v prores_ks -profile:v 4444 prores_ks-2s.mov
 }}}

 Inputs, outputs and logs are available at https://drive.google.com/open?id
 =0B7dIhJcqP-NtREZNMGh6a1lOUGM

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6480>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker


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